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Yes. Rear-proj.with 3 picture tubes. These, like most newer tvs have self-checks that shut the tv off if the fault could worsen problems for the TV (such as damage picture tubes.) or it's not able to put a picture up.
After it shuts off, you can press menu and input/device together for 5 secs, and it will flash a 2-digit code (such as "23" or "24", etc.)(vertical or horizontal error.) Though you will need to call a repair shop for repair. It's usually better if they are Mits. factory authorized, as they'll likely have more exper. on Mits.

It's the problem of overheating in the power supply board of the TV.on the power supply board of the tv there are few capacitors and IC.any of this ic is got short or may be weak.so due to this when you start the TV the current passes from electric outlet to the power supply board of TV.but when the current passes from that weak/faulty part at that time current gets stopped or slow and the board overheats and TV shuts off. this is a common problem faced by many other users too.the possible option to solve this issue is to check the power supply board by a meter and continuity tester and replace the faulty component on the board which is short due to which power supply board is getting overheated.its bit technical job but yes its not at all a costly repair to do or get it done by the technician. for required parts it can be easily available from local electronic hardware shop.

You probably have a V26 chassis. The only fix to this problem now that parts are no longer available from MITS is to call their Consumer relations dept. at 800-332-2119. If you have a qualified tech come out and estimate the job, Mits will offer you an attractive discount on a new model. To repair your problem would be around $750